Cheapest return SJO–FRA flights, May

AirHint found the following cheapest return flights from San Jose (SJO) to Frankfurt (FRA) in May 2026 (see full year).

Return flights

16 May - 30 May Iberia
30 May - 14 Jun KLM
21 May - 24 May Air France
21 May - 25 May Air France
21 May - 28 May Air France
21 May - 04 Jun KLM
30 May - 20 Jun KLM
23 May - 26 May Iberojet
21 May - 23 May Air France
19 May - 23 May Air France
21 May - 06 Jun Lufthansa direct
19 May - 26 May Lufthansa direct
16 May - 30 May Lufthansa direct
19 May - 23 May Lufthansa direct
21 May - 04 Jun Lufthansa direct

Also check the deals for one-way flights from San Jose to Frankfurt in May.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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